Hearts Electrical System心臟電流傳遞
2:30
Added: 3 years ago
From: donhg
Views: 6,692
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  • Who disliked this video? This is a fantastic representation of the heart.

    Silvercordband 4 weeks ago

  • thanks a lot,

    zacharyogari 1 year ago

  • This Video is fantastic, Great stuff. Thank you.

    kingfunk61 2 years ago

  • really useful thanks! x

    runnaboi 2 years ago

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